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Installation, Operation and Maintenance Instructions

1200°C 2-Gradient Split Tube Furnace - HZS-2G Model: 425mm
No Controller

HZS-2G 12/425 + No Controller

MEN-HZS2G12425-11_NOCTRL

(

02-08-2019

)

Содержание CARBOLITE GERO HST 12/400

Страница 1: ...Installation Operation and Maintenance Instructions 1200 C 2 Gradient Split Tube Furnace HZS 2G Model 425mm No Controller HZS 2G 12 425 No Controller MEN HZS2G12425 11_NOCTRL 02 08 2019 ...

Страница 2: ...ure Controller 11 4 0 Operation 12 4 1 Operating Cycle 12 4 2 General Operating Advice 12 4 3 Operator Safety 13 4 4 Tube Life 13 4 5 Pressure 13 4 6 Power Adjustment 14 4 7 Running at Low Temperatures 14 5 0 Maintenance 15 5 1 General Maintenance 15 5 2 Maintenance Schedule 15 5 2 1 Cleaning 17 5 2 2 Safety Switch 17 5 3 Calibration 17 5 4 After Sales Service 18 5 5 Recommended Spare Parts and Sp...

Страница 3: ...e Does Not Heat Up 22 B Product Overheats 23 8 0 Wiring Diagrams 24 8 1 01890 5001 24 9 0 Fuses and Power Settings 25 9 1 Fuses 25 9 2 Power Settings 25 User Power Setting Adjustments 26 10 0 Specifications 27 10 1 Environment 27 3 ...

Страница 4: ...d to the elements Heat switch the switch disconnects power to the heating elements unless this switch is OFF there is a danger of electric shock when inserting objects into the product 1 2 General Warnings DANGER Electric shock Read any warning printed next to this symbol WARNING Risk of fatal injury DANGER Hot surface Read any warning printed next to this symbol WARNING All surfaces of a product ...

Страница 5: ...Caution Double Pole Neutral Fusing 5 1 0 Symbols and Warnings ...

Страница 6: ...of heat and on a non flammable surface that is resistant to accidental spillage or hot materials The surface on which the equipment is mounted should be stable and not subject to movement or vibrations The height of the mounting surface is important to avoid operator strain when loading and unloading samples Unless otherwise stated elsewhere in this manual ensure that there is at least 150 mm of f...

Страница 7: ...on shields is similar to that of plugs If stainless steel seals with gas inlets are supplied they are to be fitted as shown in fig 3 the stem of any insulating plug should touch the seal For vertical models with stainless steel seals a hook and eye arrangement holds the upper insulating plug assembly Horizontal models if heavy fittings are to be clamped to the end of an extended work tube they can...

Страница 8: ...2 0 Installation Fig 1 Insulating Plug standard length tube Key A Tube B Insulating Plug C Stem Fig 2 Insulating Plug long work tube 8 ...

Страница 9: ...p End Seal For assembly details refer to the separate work tube end seal manual Under no circumstances should any objects be placed on top of the product Always ensure that any vents on the top of the product are clear of any obstruction Always ensure all cooling vents and cooling fans if fitted are clear of any obstruction 2 3 Electrical Connections Connection by a qualified electrician is recomm...

Страница 10: ...designed to be wired directly to an isolator or fitted with a line plug Products without a factory fitted supply cable require a permanent connection to a fused and isolated supply The product s electrical access panel should be temporarily removed and connections made to the internal terminals If the product is to be connected by line plug The plug should be within reach of the operator and shoul...

Страница 11: ...3 0 Temperature Controller If this product is fitted with a temperature controller instructions are provided separately 11 3 0 Temperature Controller ...

Страница 12: ...he over temperature circuit has tripped an indicator on the over temperature controller flashes and the heating elements are isolated Find and correct the cause before resetting the over temperature controller according to the instructions supplied To switch off power to the heating elements use the heater switch To switch the product off use both the heater switch and the instrument switch If the...

Страница 13: ...ld be of low thermal mass and should have feet to reduce the contact with the tube fig 4 Key A Tube B Crucible Fig 4 Avoidance of thermal contact Do not set too high a heating or cooling rate As tubes are susceptible to thermal shock and may break Tubes which extend beyond the heated part of the furnace are more at risk A general rule for maximum heating or cooling rate is 400 internal diameter in...

Страница 14: ...oltage The models covered by this manual are designed for use over the range of voltages 200 V 250 V or if ordered 100 V 125 V and the power limit parameter is set accordingly These models may be adjusted to a different voltage within the range the power limit should be reset to match OP Hi see 9 0 Refer to section 3 0 for power adjustment instructions 4 7 Running at Low Temperatures The power lim...

Страница 15: ...tted Electrical measurement Safety Switch Function split models only Set a safe temperature above ambient and open the furnace to see if the heater light goes out Safety Switch Function split models only Electrical measurement Electrical Safety external Visual check of external cables and plugs Electrical Safety internal Physically check all connections and cleaning of the power plate area Functio...

Страница 16: ...ted Check all seals and O rings and clamps Performance Element Circuit Electrical measurement Power Consumption Measure the current drawn on each phase circuit Cooling Fans if fitted Check whether the cooling fans are work ing 16 ...

Страница 17: ...bove ambient The heater lights should illuminate l Open the door and check the heater lights They should no longer be illuminated If the heater lights remain illuminated when the door is open discontinue use and contact Carbolite Gero Service Annual check The following checks should be carried out by a qualified electrician as specified in the Maintenance Schedule section of this manual l Remove t...

Страница 18: ...t to be diagnosed and the necessary parts to be despatched In all correspondence please quote the serial number and model type given on the rating label of the product The serial number and model type are also given on the back of this manual when supplied with the product Carbolite Gero Service and Carbolite Gero contact information can be found on the back page of this manual 5 5 Recommended Spa...

Страница 19: ...ered during maintenance or repair Whilst there is no evidence of any long term health hazards it is strongly recommended that safety precautions are taken whenever the materials are handled Exposure to fibre dust may cause respiratory disease When handling the material always use approved respiratory protection equipment RPE eg FFP3 eye protection gloves and long sleeved clothing Avoid breaking up...

Страница 20: ...e type N pink negative white Disconnect the thermocouple from its terminal block Carefully withdraw the thermocouple from the product and remove any broken bits of thermocouple Bend the new thermocouple carefully to match the shape of the original working from the terminal end Should the length differ from that of the original this is usually not important provided that the thermocouple tip is wit...

Страница 21: ...eves for possible reuse Bend or cut the new element tails as necessary and fit any insulation sleeves feed the tails through and fit the element into place Refit the keep plates on each side Refit the tail termination plates ensuring that the element tails do not touch any metal parts Refit the thermocouple s Connect all the wiring according to the plan previously made and complete the reassembly ...

Страница 22: ... a low temperature The door switch es if fitted may be faulty or need adjustment The contactor relay if fitted may be faulty The heater switch if fitted may be faulty or need adjustment The SSR could be failing to switch on due to internal failure faulty logic wiring from the controller or faulty controller There are no lights glowing on the controller Check the supply fuses and any fuses in the f...

Страница 23: ...r shows a low temperature The thermocouple may be faulty or may have been removed out of the heating chamber The thermocouple may be connected the wrong way around The controller may be faulty 2 Product heats up when the instrument switch is OFF The SSR has failed ON Check for an accidental wiring fault that could have overloaded the SSR 23 7 0 Fault Analysis ...

Страница 24: ...8 0 Wiring Diagrams 8 0 Wiring Diagrams 8 1 01890 5001 24 ...

Страница 25: ...er Fuses Required if no supply cable fitted Recommended if cable fitted See rating label for current See table below for fuse rating Access to internal fuses is by the removal of the back panel of the control box Model Phases Volts Supply Fuse Rating HZS 2G 12 425 2 phase 200 240 12 A 9 2 Power Settings The power limit settings parameter OP Hi for this model are voltage dependant The figures repre...

Страница 26: ...9 0 Fuses and Power Settings User Power Setting Adjustments Date Power Comments Note If a new set of elements are fitted then return the power settings to the original value 26 ...

Страница 27: ...Net Weight kg 3 zone Split Tube furnaces heated by resistance wire moulded in refractory fibre HZS 2G 12 425 1200 2 0 110 600 900 425 33 Note Weights are approximate for horizontal models and do not include fittings or vertical stands 10 1 Environment The models listed in this manual contains electrical parts and should be stored and used in indoor conditions as follows Temperature 5 C 40 C Relati...

Страница 28: ......

Страница 29: ...Notes Service Record Engineer Name Date Record of Work ...

Страница 30: ... us at the address below or ask your nearest stockist For preventive maintenance repair and calibration of all furnace and oven products please contact Carbolite Gero Service Telephone 44 0 1433 624242 Fax 44 0 1433 624243 Email ServiceUK carbolite gero com Carbolite Gero Ltd Parsons Lane Hope Hope Valley S33 6RB England Telephone 44 0 1433 620011 Fax 44 0 1433 621198 Email Info carbolite gero com...

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